BaseballBot/GhostBallBot/game.py
c0de 1845e42488 Use the with statement on the game class
This is because the class is a context manager / state machine
2022-10-24 19:55:50 -05:00

150 lines
4.5 KiB
Python

#!/usr/bin/env python3
# Copyright 2022 - c0de <c0de@c0de.dev>
# Licensed under the MIT License (https://opensource.org/licenses/MIT)
import uuid
import dateparser
from database.models import database, GameModel, GuessModel
class Game:
"""
The game state class
This represents a game that exists in a channel
"""
def __enter__(self):
"""
Allows use of `with Game as game` for try/except statements
We are using this instead of __init__, they work very similar
to each other (https://peps.python.org/pep-0343/)
"""
# Only one game should run at at time
self.is_running = False
self.commands = {
'ghostball': self.start,
'resolve': self.stop,
'guess': self.guess,
'points': self.points,
'help': self.help,
}
self.game = GameModel
# Discord message
self.message = None
# Discord client instance
self.discord = None
database.connect()
return self
def __exit__(self, exception_type, exception_value, exception_traceback):
"""
Automagically close the database
when this class has ended execution
"""
database.close()
async def check_is_running(method, start_new_game=True):
"""
Decorator that determines if the game is running or not
"""
async def wrapper(self):
if self.is_running and start_new_game:
return await self.message.channel.send("A game is already running")
elif not self.is_running and not start_new_game:
return await self.message.channel.send("There is no game running to add guesses to")
await method(self)
return await wrapper
@check_is_running
async def start(self):
self.is_running = True
# game.pitch_value is unknown at the start of the game
self.game = GameModel.create(
game_id = uuid.uuid4(),
server_id = self.message.guild.id
)
await self.message.send("@flappy ball, pitch is in! Send me your guesses with !guess <number>")
def __stopArgs__(self):
pieces = self.message.content.split()
if len(pieces) == 2:
return pieces[1], False, None, None
elif len(pieces) == 4:
return pieces[1], True, pieces[2], pieces[3]
return None, False, None, None
@check_is_running(start_new_game=False)
async def stop(self):
# Determine arguments
pitch_value, has_batter, batter_id, batter_guess = self.__stopArgs__()
if not pitch_value:
return await self.message.channel.send(f"Invalid command <@{ str(self.message.author.id) }>!")
if has_batter:
player_id = batter_id[3:]
GuessModel.create(
game_id = self.game.game_id,
player_id = player_id,
player_name = self.discord.get_user(int(player_id).name),
guess = int(batter_guess)
)
# Save the pitch value
self.game.update({'pitch_value': pitch_value})
# TODO: Determine differences
await self.message.channel.send("Difference calculation is not currently available")
# stop and discard game
self.is_running = False
self.game = None
@check_is_running(start_new_game=False)
async def guess(self):
value = int(self.message.content.split()[1])
if value < 1 or value > 1000:
return await self.message.channel.send(f"Invalid value. It must be between 1 and 1000 inclusive")
GuessModel.create(
game_id = self.game.game_id,
player_id = self.message.author.id,
player_name = self.message.author.name,
guess = value
)
return await self.message.add_reaction(emoji="\N{THUMBS UP SIGN}")
async def points(self):
# TODO
value = self.message.content.split()
try:
if len(value) > 1:
timestamp = dateparser.parse(value[1])
except:
return await self.message.channel.send("Invalid timestamp. Try again")
return await self.message.channel.send("Sorry, not implemented yet")
async def help(self):
# TODO: Add help message
help_message = "help"
recipient = await self.discord.fetch_user(self.message.author.id)
await recipient.send(help_message)